The Einhell IMPAXXO 18/400 is a brushless 1/2" impact wrench which can deliver up to 400 Nm of torque but has a choice of three operating settings which enable it to be used for less demanding applications as well. It is part of the Power X-Change system and shares battery compatibility with alll Power X-Change tools. With three stages, selected via an illuminated panel on the top of the housing, the speed and torque can be optimally adjusted. The first stage is suitable for smaller screwdriving tasks, while the third stage provides the necessary power for loosening wheel nuts. The IMPAXXO 18/400 has a 1/2" male square drive tool holder for attaching impact sockets, but is also supplied with a 1/4" hex adaptor which means you can use it with impact rated screwdriver bits too. The IMPAXXO 18/400 has an energy efficient brushless motor which means you get more runtime per battery charge, and also features a built in LED worklight and detachable belt clip. It is supplied with three impact sockets. Features & Benefits Member of the Power X-Change family Very powerful high-torque cordless impact wrench Brushless motor - more power and longer runtimes Robust 1/2 external square drive mount LED worklight for excelent visibility of the work area 3 stages for seleting the optimum power and speed adjustment Comes with 1/4" adaptor for impact screwdriver bits Three piece impact socket set for wheel nuts included Specifications Battery Voltage: 18v Battery Type: Power X-Change Lithium Ion Drive: 1/2" Max Torque (hard):400 Nm Gears: 3 Machine Weight: 2.0kg Contents IMPAXXO 18/400 Cordless 1/2" Impact Wrench (bare tool) 3 Piece Impact Socket Set Screwdriver Bit Adaptor No Battery No Charger No Case.